Portable self-contained vulcanizing apparatus.



No. '856,241. PATENTBD JUNE 11, 1907.

H. H. FROST. PORTABLE SELF CONTAINED VULOANIZING APPARATUS,

APPLICATION FILED JUNE 7, 1906.

2 SHEETS-SHEET 1.

'HENRY HARVEY FROST, OF LONDON, ENGLAND.

PORTABLE SELF-CONTAENED VULCANEZING APPARATUS.

- Specification of Letters Patent.

Patented June 11, 1907.

Application filed June 7, 190B. Serial N0. 320,641.

To all whom it may concern:

Be it known that HENRY HARVEY Faosr, a subject of the King of England, and residing in London, England, have invented certain new and useful Improvements in Portable Self-Contained Vulcanizing Apparatus, of which the following is va speciiication.

This invention relates to portable self-contained vulcanizing apparatus and refers more particularly to apparatus for repairing pneumatic tires and tire covers of motor vehicles.

The chief object of the invention is to provide a handy and eliicient apparatus, coin.- pact in form and of such proportions that it can readily be carried upon a motor vehicle without inconvenience, thus permitting repairs to be executed whenever necessary. y

According to this invent-ion the apparatus comprises a casing or body which 1s heated internally, the outer surfaces of one or more of the walls forming vlcanizing surfaces. Preferably the casing or body forms or incloses a steam generator having a burner orv heater disposed at its lower end.

.ln a preferred construction the easing is made of one piece or casting, the interior being the generator and the outer surface of one or more of the walls constituting' the vulcaniziug surface. One of the Walls is curved to conform more or less to the contour of a tire cover when in positionupon the vehicle wheel, the other walls being preferably llat. The burner is situated at the lower end ofthe casting and the heating gases are conveyed up through the generator by a number of ilucs or conduits which pass from end to end of the casting, thus giving a straight through draft and dividing the water space within the generator in such a manner that steam can be got up very quickly.

The burner is preferably designed for use with spirit and' consists of a cylindrical casing open at the top to form the ignition surface, a cover of wire gauze being provided in the manner usual with such burners. The bui-ner is supported in acasing detachably secured to thegenerator. This casing is provided with air inlets at its lov.;er side so that the air enters underneath and encircles the burner, thus supplying air in the most eli-icicnt wayA but without liability of the burner being extinguished by too strong a draft. A1 one end the burner is provided with a .f iti-lr so that by it a partial rotation .The side of the burner casing corresponding to the curved side of the generator is preferably also curved to receive a part of the tire cover under treatment and this portion is prevented from being at a greater heat than the walls of thegenerator by the air current supplied to the burner. n

At the top of the generator 1s provided a iillingplug and safety valve and the pressure gage 1s also mounted conveniently at one side.-

The conduit communicating between the pressure gage and the interior of the generator may also be employeeas a siphon tube to the lower end of which 1 attached a' drip cock which acts as a gage and prevents the generator being supplied with too much water.

yThe entire apparatus can be readily and securely clamped to a wheel to `vulcanize a damaged portion of the cover Without necessitating the cover being taken from the wheel or the wheel detached from the vehi' cle. For this purpose detachable or other lugs are provided on the generator to which are connected a strap andv buckle, the strap being adapted to pass around the wheel rim and to be secured by the buckle, or a chain, band or the like may be employed.

In addition to employing a curved surface one of the ilat surfaces, preferably that opposite to the curved surface may be employed for vulcanizing insertions upon the inner tube. l For this purpose a screwed or other bracket is secured to the generator and extends over the flat wall of the generator, being provided at its outer end with an adjustable screw or clamping device which can be caused to press upon the part of the tube under treatment. y

When only the ilat Wall of the generator is employed tor vulcaniziug purposes the entire apparatus may "be suspended from the lamp bracket usually carried on motors, a socket being provided on the generator and a clamping screw. This socket may also be i` 'tire is partially deflated, vafter which the 'tire is pumped up vorfiniiated so that the surface conforms to the vulcanizin surface elevations taken at right angles to each other, 1a ortion of Fig. 2 being'brohen away for the and fethe necessary pressure' iorvu canizing 1s provided.

v In the accompanying drawings'z-#Figure -1 is a plan-oi` one construction` of'portable vulcanizer according to this invention partly in section and shown in its operative position in relation to a tire, andFigsQ and?) are sa cof clearness.

, Like letters indicate'like'p'arts throughout the drawings.

A is a casing--preferably'a casting-Librininga'steam generator which'isfprovided with @heating i'lues A1 passingdirectlyfthrough it from top to bottom'. The steam generator A isprovided with a filling plug B,- a'safety valve C-and a pressure gageiittin D. -This fitting D is provided with a smal pet cock 4Dl and islso placed that if the'generator is supplied with too much Water the superuous amount may be allowedto escape.

yAt the lower part vof the steam generator is aburner casing E'detachablyisecuredto the generator by lugs and screws El. A cylindrical burner Fiits into a'hole at one side of the casingE and sr. ad'ustable regulating shield G fitting over t e burner Fv passes through another,A circular opening in the other side. The upper portion of the burner is covered with wire auze as at F1,

and-a lugF2 on'the head-o the burneris provided with a screw F3 which can engage lwith a notch or recess E2 in the adjacent ortion of the casing E, thus forming a locking joint or -catch holdingf'theburner F in position while the regulating shield G is moved in or out to control or totally extinguish the flame. It will be appreciated that the shield G extinguishes the lame as it is pushed in, only that part of the burner being active which is uncovered. The shield may be graduated or providedwith a stopso that the proper position to permit a iiame suicient only to maintain a required steam pressure can be instantly obtained. An .aperture E3 is provided in the casing through which the fuel inthe burner may be ignited.

The steam generator A is provided with two vnlcanizing surfaces; one A2, is made concave in two directions so as to fit the expatches on inner tubes or on covers when removed from the Wheel rim.

ln- Fig.4 1 thel vulcanizer is shown as attached to a tire and wheel rim indicated in chain lines at H, the attachment being by means of straps J secured tothe vulcanizer by lugs K. An linner tube is diagrammatically represented at L and it will be seen that pressure is applied to it by means of a plate 'and screw M1, this screw being mounted in an arm N screwinginto the lug O forming part of the generator 'casing'. 'The lugsK are not rigidly fastened to the walls of the vulcanizer but may be turned round so that the straps J may be used to press the latvulcanizin surface A3 into contact with a iiat treadi the tire be prbvided-With one, or

Thevulcanlzer may conveniently ybe carried upona bracket in some suitable posi- "tion on the car and for this purpose a socket P and'screw P1 are provided. The socket I is-formed tosuit a lamp bracket vas in practice it is found very convenient to attach the vulcanizer to 'that bracket when carrying out repairs onthedetached cover or inner tube.

It Willbe seen that the bottom portion of the burner casing E is curvepl and is provided `With an airfinlet E4. By this arrangement the incoming air is caused to pass up between the y`tube F and the inside of the casing E insuch a way that there is little tendency 'forit to extinguish the flame, as might be i the casewere the air inlet openings at the Aside of thev casing. A'ilurther advantage of this construction is that the air passing in at the o` enin E? and round between-the burner and the wa ls of the burner casing E, prevents the' casing from becoming too not and damaging the tire.

The rwalls of the steam generator forminff thel vulcanizing .surfaces may be graduated in thickness or may be extended or otherwise'shaped so that the heat is graduated toward the edges of the surfaces covered bythe vulcaizer. o

What claim as my invention and desire to secure by Letters Patent isz- IOO IIO

IIS

1. A: portable self-'contained vulcanizer havin 1n combination, a steam generator provi ed with a lateral vulcaniziugsurface formed to conform to the surface ot a tire, means for clamping the generator to a tire in `place on a wheel, a burner located beneath the generator, anda plurality ot' iiues passing vertically throu hthe water space of the generator from t e burner to the upper end of the generator.

2. A ortable self-contained vulcanizer having, 1n combination, a steam generator saaeei provided with a vnlcanizing surface7 a burner connected with the generator and provided 'with a curved upper surface, and a shield curved to conform to the upper surface of the burner and movable over the burner to cover more or less of its surface.

A portable self-contained vulcanizer having, in combination, a steam generator provided with 'a vuleanizing surface, a cylindrical burner connected with the generator, and a cylindrical shield surrounding the burner and movable longitudinally to cover Y more or less of the burner.

4. A portable self-ieontained vulcanizer having, in combination, a steam generator provided with a vulcanizing surface, a cylindrieal burner located beneath the generator,

,and a burner casing inclosing the bottom el' the burner but spaced therefrom to form an air passage and provided With an air-inlet opening beneath the burner.

5. A portable self contained vulcanizer havinv, in combinationy a steam generator provided with a vulcanizing surface, a burner easing located beneath the generator, a cylindrical burner mounted horizontallyin the burner casing and removable lengthwise therefrom, and a cylindrical shield inelosing a orton of the burner and movable lengthwlse to cover more or less of the burner.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

HENRY HARVEY FROST.

Vitnesses'.

ALFRED J. BRULF, HARRY B. BRIDGE. 

